How to know what the active window is?

[keymuu]

Hi there!

How can you tell which programs have a visible window?
So, how can a macro tell what window is the active
window (has current focus) and how to tell all other
running programs that one (the pc user) could
choose with ALT-TAB?

Thank you in advance

Regards
keymuu

[keymuu]

Hi again!

It is not so difficult to list all processes,
so is there a way then to know what processes have a visible window?

regards
keymuu

[keymuu]

Hello!

When you hit Alt + TAB you get the list of visible windows.
The question now: How do Alt-TAB do it, what API calls are involved?
If you know it please share that info.

regards
keymuu

[keymuu]

Hi.

if you have listed all processes like this:

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then how can you tell (maybe you can ;-), but how could a VBA macro pick those with an own visible (or perhaps minimized) windows.
How could a macro do this, list all visible windows?

If you press once Alt-TAB you would get Notepad (as an example), you would see that with your own eyes and hence could be sure it is it.
How could a macro be sure there is Notepad (or what ever you have preferred) at the top, i.e. has the focus?

All comments would be highly appreciated, please help if you can.

regards
keymuu